Structure 5513219 · Greene County, NY

RTE I87 over Catskill Creek

Carries RTE I87 over Catskill Creek, .5 Mi S Exit 21 Of I90.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT732 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

732 ft end to end, longest span 300 ft: about 2.0 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a deck truss.

Built1955rebuilt 2005
Length732.0 ft223.1 m
Daily traffic33,622counted 2020
Last inspectedDecember 2023every 24 months

Location

StateNew York
CountyGreene
Location.5 Mi S Exit 21 Of I90
CarriesRTE I87
CrossesCatskill Creek
Coordinates42.24320, -73.89282

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Deck
Total Length732.0 ft (223.1 m)
Max Span299.9 ft (91.4 m)
Deck Width112.9 ft (34.4 m)
Deck Area7674.6 sq m
Main Spans3
Year Built1955 (reconstructed 2005)

Traffic

Avg Daily Traffic33,622 (2020)
Truck Traffic28%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000005513219

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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